Home / 30,310,180.46-45,494,014.37-18,760,711.62

Finding the Fourth Proportional to 30,310,180.46, 45,494,014.37 and 18,760,711.62

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Solution

The fourth proportional to 30,310,180.46, 45,494,014.37 and 18,760,711.62 is: 28,158,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,180.46 : 45,494,014.37 = 18,760,711.62 : x
  2. Step 2: Convert to fraction form
    30,310,180.46/45,494,014.37 = 18,760,711.62/x
  3. Step 3: Cross multiply
    30,310,180.46x = 45,494,014.37 × 18,760,711.62
  4. Step 4: Simplify right side
    30,310,180.46x = 853,500,084,108,505.12
  5. Step 5: Solve for x
    x = 853,500,084,108,505.12/30,310,180.46
  6. Step 6: Final answer
    x = 28,158,858.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.